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吸气肌疲劳可能是COPD 患者呼吸衰竭的原因。已证实机械通气可使吸气肌得以休息,而有利于疲劳的解除.作者研究间歇负压通气(INPV)对有吸气肌受损表现的COPD 患者的治疗作用.患者与方法18例稳定期重症COPD 男性患者,其PaO_2<60mmHg,PaCO_2>50mmHg,功能残气量(FRC)位最大吸气压(MIP)<60cmH_2O,至少伴有吸气肌疲劳的症状之一,如呼吸困难、气急、
Inhale muscle fatigue may be the cause of respiratory failure in COPD patients. Mechanical ventilation has been confirmed to allow the inspiratory muscle to rest, and is conducive to the lifting of fatigue.Is the study of intermittent negative pressure ventilation (INPV) on the performance of patients with inspiratory muscle damage COPD patients.Patients and methods 18 cases of stable Patients with severe COPD have at least one of the symptoms of inspiratory muscle fatigue such as dyspnea, shortness of breath, shortness of breath, and shortness of breath, with PaO 2 <60mmHg, PaCO_2> 50mmHg, and maximum inspiratory pressure at the FRC <60cmH_2O.